Compact medical oxygen concentrator



FIG. 1 is a perspective view of a compact medical oxygen concentrator embodying my new design, showing the front, top, and right side thereof;

FIG. 2 is a perspective view of the device of FIG. 1 showing rear, top, and left side thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a top plan view thereof.

The broken lines are shown for illustrative purposes only. 

The ornamental design for a compact medical oxygen concentrator, as shown and described. 